19513530

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1381}}^1$

素因数の和:1551

約数の個数: 48

約数和(自身を含む): 51095304

約数和(自身を除く): 31581774

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 157, 314, 471, 785, 942, 1381, 1413, 1570, 2355, 2762, 2826, 4143, 4710, 6905, 7065, 8286, 12429, 13810, 14130, 20715, 24858, 41430, 62145, 124290, 216817, 433634, 650451, 1084085, 1300902, 1951353, 2168170, 3252255, 3902706, 6504510, 9756765, 19513530]

約数ペア:

[(1, 19513530), (2, 9756765), (3, 6504510), (5, 3902706), (6, 3252255), (9, 2168170), (10, 1951353), (15, 1300902), (18, 1084085), (30, 650451), (45, 433634), (90, 216817), (157, 124290), (314, 62145), (471, 41430), (785, 24858), (942, 20715), (1381, 14130), (1413, 13810), (1570, 12429), (2355, 8286), (2762, 7065), (2826, 6905), (4143, 4710)]